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Related party balances and transactions - Transactions with related parties and companies under sect. 33 of the LGS (Details) - ARS ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Mar. 08, 2016
Related party balances and transactions |  |  |  |
Total other income |  | $ 1 | $ 1 |
Total services rendered | $ 6 | 5 | 4 |
Total services received | $ (6) | (5) | (2) |
Minimum percent of transaction amount on the equity approved by the Board of Directors | 1.00% |  |  |
Sofora |  |  |  |
Related party balances and transactions |  |  |  |
Total services rendered | $ 7 | 7 | 120 |
Total services received | (72) | (153) |  |
Total purchases of PP&E |  | 1 | 4 |
Total finance costs | 34 | 55 |  |
Nortel |  |  |  |
Related party balances and transactions |  |  |  |
Total other income |  | 1 | 1 |
Editorial Azeta S.A. |  |  |  |
Related party balances and transactions |  |  |  |
Total services rendered | 4 | 3 | 3 |
Total services received | (3) | (3) | (2) |
Banco Atlas S.A. |  |  |  |
Related party balances and transactions |  |  |  |
Total services rendered | 1 | 1 | 1 |
Penta S.A. |  |  |  |
Related party balances and transactions |  |  |  |
Total services rendered | 1 | 1 |  |
Total services received | $ (3) | (2) |  |
Fintech | Sofora |  |  |  |
Related party balances and transactions |  |  |  |
Acquisition percentage |  |  |  | 51.00%
Fintech | Sofora |  |  |  |
Related party balances and transactions |  |  |  |
Total services rendered |  | 111 | 564 |
Total services received |  | (72) | (352) |
Total purchases of PP&E |  | $ 18 | $ 103 |

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